20121458 (number)

20121458 is an even 8-digits composite number following 20121457 and preceding 20121459. In scientific notation, it is written as 2.0121458 × 10^7. The sum of its digits is 23. It has a total of 5 prime factors and 32 positive divisors. There are 8072064 positive integers (up to 20121458) that are relatively prime to 20121458.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand four hundred fifty-eight

Notation

Scientific notation 2.0121458 × 10^7
Engineering notation 2.0121458 × 10^6

Prime Factorization of 20121458

Prime Factorization 2 × 7 × 553 × 23 × 113

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20121458
Product of the distinct prime numbers

The prime factorization of 20121458 is 2 × 7 × 553 × 23 × 113. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 5, 30, 85, 750, 71, 5916, 6681, 63151, 206, 909864, 458325, 9428590, 1824526, 58121421, 94909147, 45060238, 677166756, 3578767837, 9451401062

Basic calculations (n = 20121458)

Multiplication

n×y
n×2 40242916
n×3 60364374
n×4 80485832
n×5 100607290

Division

n÷y
n÷2 10060729
n÷3 6707152.6666667
n÷3 5030364.5
n÷5 4024291.6

Exponentiation

ny
n2 404873072045764
n3 8.1466365144998E+21
n4 1.6392220446777E+29
n5 3.2983537524657E+36

Nth Root

y√n
2√n 4485.6948179741
3√n 271.99013264378
4√n 66.975329920607
5√n 28.888958784961

Divisors of 20121458

1, 2, 7, 14, 23, 46, 113, 161, 226, 322, 553, 791, 1106, 1582, 2599, 3871, 5198, 7742, 12719, 18193, 25438, 36386, 62489, 89033, 124978, 178066, 437423, 874846, 1437247, 2874494, 10060729, 20121458

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121457
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121458 can be divided by 32 positive divisors. The sum of these divisors (counting 20121458) is 1, the average is 0.03125.

Base conversion 20121458

Base System Value
2 Binary 1001100110000011101110010
3 Ternary 1101212021110012
4 Quaternary 1030300131302
5 Quinary 20122341313
6 Senary 1555134522
8 Octal 114603562
10 Decimal 20121458
12 Duodecimal 68a4442
16 Hexadecimal 1330772
20 Vigesimal 65f3ci
36 Base36 bz9te

Cryptographic Hash Functions

md5 7c84c4c0b32d82b48a9970a2a10825ca
sha1 065b5771665516ba2777eae5a16292add229cd41
sha256 dd7ff0f46b078d9cca520e4d64175a9f70bbdbeec1215b9244fdec05db0c1d68
sha512 c649911efa187189373f984ae8a9bff22459c1d72ee64ce71aed4b69dcb4192adb241c252b98eb38d306955b0feadb67dd50551ca228ac13a68ffbf5f5f39dc7
ripemd-160 03f7db0570d335049bd2637b70cbcc8cd2127789

20121458 as geometric shapes

Circle

Radius = n
Diameter 40242916
Circumference 126426849.26463
Area 1.2719462687753E+15

Sphere

Radius = n
Volume 3.4124551233892E+22
Surface area 5.0877850751012E+15
Circumference 126426849.26463

Square

Length = n
Perimeter 80485832
Area 404873072045764
Diagonal 28456038.798321

Cube

Length = n
Surface area 2429238432274584
Volume 8.1466365144998E+21
Space diagonal 34851387.578363

Equilateral Triangle

Length = n
Perimeter 60364374
Area 1.7531518284994E+14
Altitude 17425693.789182

Triangular Pyramid

Length = n
Surface area 1.7531518284994E+14
Volume 9.6009032054413E+20
Height 9485346.2661069